Why drinking water from other water bottles is not as healthy as a glass water bottles?
Normally, the amount of water a day requires is proportional to the amount of calories consumed. It takes about 1 milliliter of water to emit 1 kilocalorie. In theory, people need to drink 8 cups of water per cup of water every day at 200 milliliters. 1600 milliliters of water can basically replenish enough water for their bodies.
But there are still many things to pay attention to when drinking water, such as whether there is a problem with the water quality, how about the cups or water bottles for drinking water, and so on. Generally speaking, water is seldom a problem, so what cup and water bottle is the best one for us to drink? Everyone's preferences for cups and water bottles are different, but not all kinds of cups and water bottles can drink water. Because, there are several kinds of material cups drinking water is harmful to health. Here is a summary of which cups are not suitable for drinking water.
Disposable paper cups may contain potential carcinogens. Disposable paper cups only look hygienic and convenient. In fact, the qualified rate of products can not be judged, whether they are clean and hygienic, and can not be identified with the naked eye. From the point of view of environmental protection, disposable cups should be used as little as possible. Some paper cup manufacturers add a lot of fluorescent whitening agents to make the cup look whiter. It is this fluorescent substance that can mutate cells and become a potential carcinogenic factor once it enters the human body; secondly, the unqualified cups are usually very soft, easy to deform after pouring water, and some cups are poor in sealing, the bottom of the cup is easy to seep water, which makes hot water scald hands easily; moreover, when you touch the inside of the cup with your hand, you can feel it on. The surface is covered with fine powder and the touch of the finger turns white. This is a typical inferior paper cup.
Plastic water bottles or plastic cups are the easiest to hide dirt. Plastic cups or water bottles should also be unpopular. Because plasticizers are often added to plastics, which contain some toxic chemicals. When hot water or boiling water is filled in plastic cups or plastic water bottle, toxic chemicals are easily diluted into water, and the internal micro-structure of plastics has many holes, which hide dirt, and bacteria can easily breed if it is not cleaned properly. Therefore, when choosing plastic cups or plastic water bottle, it is necessary to choose water cups or water bottles made of food grade plastics that meet the national standards.
Colorful water cups are easy to cause heavy metal poisoning. Colorful cups are attractive, but it's better not to use them. Because there are huge hidden dangers in those bright pigments, especially glazed inner walls. When cups are filled with boiling water or drinks with high acidity and alkalinity, toxic heavy metal elements such as lead in these pigments are easily dissolved in liquids. People drink liquid with chemical substances, which will cause harm to human body.
Coffee dissolves from metal cups. Metal cups, such as stainless steel, are more expensive than ceramic cups. The metal elements contained in the enamel cup are usually stable, but they may dissolve in acidic environment. It is not safe to drink acidic drinks such as coffee and orange juice.
So, what's the best cup or water bottle to drink water from?
The first choice of drinking cup should be glass cup or glass water bottle. Of all the materials, glass water bottles or glass cups are the healthiest. Moisture is our daily supplement. Choosing glass cup or glass water bottle to drink water is the guarantee of our health.
